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. 2013 Sep 20;8(9):e74028. doi: 10.1371/journal.pone.0074028

Figure 3. Impact of IOUS on rates of negative margins of all breast cancers (retrospective studies).

Figure 3

Forest plot for meta-analysis of retrospective studies: rate of negative margins of breast cancers (including non-palpable and palpable breast cancers) in IOUS group compared with that in control group without IOUS. The width of the horizontal line represents the 95% CI of the individual study, and the square proportional represents the weight of each study. The diamond represents the pooled OR and 95% CI.